People may present themselves in various ways: face-to-face, side-to-side, or even back-to-back.
人们常常有各种表现形式：面对面的，侧面相对，甚至是背对背。
Mike's parents presented us a pair of silver candle holders which in the shape of fish and they asked us only to put the pair of fish face to face or side by side never back to back!
爸妈送给我们一对鱼的造型的银烛台，并且关照我们烛台的摆放方式，只能面对面或者并排，绝对不能背对背。
A example was given by using the face-back-changing weave in the last, explained how to change face layer and back layer to construct the simulating unit matric.
以表里换层组织的模拟方法为例，探讨了在计算机模拟中，表里换层的实现方法。
If matched pairs of tapered roller bearings arranged face-to-face or back-to-back are mounted together with a third bearing, the bearing arrangement is statically indeterminate.
如果面对面或背对背配置的相配圆锥滚子轴承对与第三个轴承安装在一起，轴承配置为静态不确定。
NKE spindle bearings of universal design (suffix UL) feature a light preload when mounted in pairs or sets either face to face or back to back.
NKE的通用设计(后缀ul)，主轴轴承具有轻预紧安装时成对或成套面对面或背靠背。
NKE spindle bearings of universal design (suffix UL) feature a light preload when mounted in pairs or sets either face to face or back to back.
NKE的通用设计(后缀ul)，主轴轴承具有轻预紧安装时成对或成套面对面或背靠背。
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